Turns out I needed to do more grinding. So I spent a couple of hours alternating between grinding and cleaning up the dust, then stopped for lunch and took the chance to recharge the battery on my grinder. Then I helped the neighbors shovel snow from the driveway, and got back to grinding. Having figured I'd got all the grinding done I did a more detailed clean-up to get the dust off as much as possible. Once I'd finished running the shop vac I ran it again because dust was settling out of the air. Then as I went to fill one of the gaps I'd created between the bricks I noticed a small patch that.... you guessed it.... is going to need grinding. It can wait until tomorrow. Then hopefully I can put this hideous corner of this room behind me for good. I must say I am looking forward to seeing what difference it makes having insulation panels fitted throughout that entire section will make to the temperatures. It's already noticeably warmer - rooms that would previously drop to the low-mid 40s are now holding at 49-50 degrees so I'm optimistic.
About 3' drifted against the building. Altogether about 100ft. About a foot and a half before drifting.
More so than normal? Let me guess, John777 is posting something that isn't endless drivel copied from a web site, or responding to questions rather than saying he will when he has time and then posting more drivel? Or did they finally crack down on the silliness?
Got me a new toy. I had gone to get a new wheel for my angle grinder and found a different kind of wheel. I didn't know this particular thing existed but it does. It's a wheel with 14 diamond grinding sections and the intention is to grind in a circular motion. Previously I'd been using a cutting wheel and improvising to make it grind. The new wheel makes a horrendous mess - dust clouds everywhere to the point that my eyes were stinging even wearing protective safety glasses. But it grinds concrete very fast. I wish I'd known about this thing a couple of days ago, it would have made my job so much quicker. It would be nice if there were some way of catching the dust as fast as the grinder produces it but even when I can wedge my shop vac in the right area it can only suck up so much of the dust before it starts to hang in the air.
I have not checked in a couple hours, but as Stephen alluded to, you can post a thread title, but it won't post your content. I've been able to quick reply and see my posts, but not through the advanced editor. PM also does not seem to work. It's basically broken.
I hope John777 has enough material to catch up whenever it goes back online. Maybe he'll mysteriously find the time to post his backlog while not having time to answer any questions about it.
Maybe if the site is experiencing trouble that the likes of John can't post their drivel it's a blessing. Maybe I missed something but I got the distinct impression that he's left to peddle his drivel while anyone who challenges it ends up on coffee. Maybe the people challenging him did something else to warrant coffee but the pattern did kinda stand out when I looked through.
Got my next room ready to grind. I didn't really want to shift focus onto this room but it's right above the room I've been working on, so if I don't grind now it just means I need to be more carefl with the dust when I do grind. I hope I can do it in a small number of passes - I fear some of the bricks may end up unsupported if I try and do it all at once. I hope I don't have to do too many different passes because it's hideously dirty work and I'd really rather not get covered in concrete dust any more times than is absolutely necessary.
Finally rustled up some mojo to do the grinding. Six hours alternating between running an angle grinder, air compressor and shop vac. Grinding concrete into dust, blowing it off the bricks, sucking it up, rinse and repeat. So far I've done most of the grinding that needs to be done in that room. There are a couple more parts I need to get at but I decided to quit while I was ahead. The light was fading and I didn't want to start getting bugs coming in the window - I had a big box fan blowing the dust out as I was working and obvious bugs could get in around it when it was dark. Most of what remains is small sections that are hard to physically get at. I should be able to finish it with one more grinding session, then I can let the dust settle out of the air and have a final go at sucking up the rest of the dust. So far I reckon I've turned about 15-20lb of concrete block into concrete dust. Hopefully there isn't a whole lot more to be done with the concrete blocks in that room before I can start fitting panels. Once it was all done it took about half an hour in the shower trying to get the dust out of my hair and off of me. It was pretty grim....